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प्रश्न
Give two uses of the following component present in air:
carbon dioxide
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उत्तर
Carbon dioxide: Carbon dioxide is used by plants to prepare their food by photosynthesis. Dry ice (solid carbon - dioxide) is used as a refrigerant. Carbon dioxide is used to prepare fizzy drinks like soda water.
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संबंधित प्रश्न
Match the following :
| Column A | Column B |
| (a) Global warming | 1. Hydrated ferric oxide |
| (b) Acid rain | 2. Manganese dioxide |
| (c) Rust | 3. Carbon dioxide |
| (d) Catalyst | 4. Methane |
| (e) Photosynthesis | 5. Nitrogen Dioxide |
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Name two air pollutants which cause global warming.
Tick (√) the correct alternative from the choice given for the following statement.
Rust is
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Fill in the blank:
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Draw a neat labelled diagram for the following experiment.
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Mention two uses of air.
Which of the following statements is incorrect?
